The Best Roof Cleaning in Lafayette, CO
We graded 6 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 14,732 Google reviews of 63 top-rated roof cleaning nationwide; 6 of them in Lafayette, CO. Updated November 5, 2026.
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Pick the job — we re-rank companies by how customers rated that exact job.
Best roof cleaning in Lafayette for window washing
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MG Cleaning SystemsHow Job match is calculatedBuilt only from reviews Google tagged “Window washing”:Stars on this job 55%5.00★Number of such jobs 25%55Overall Experts Score 20%88Job match= 97Stars are pulled toward the category average (4.95★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.97
Dan's Window Cleaning Lafayette, Colorado.How Job match is calculatedBuilt only from reviews Google tagged “Window washing”:Stars on this job 55%4.94★Number of such jobs 25%32Overall Experts Score 20%96Job match= 91Stars are pulled toward the category average (4.95★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.91Job match = this company’s ★ on reviews Google tagged “Window washing” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about window washing
Dan's Window Cleaning Lafayette, …Great job and will definitely use again. Great to see such a good company that delivers what they promised!
MG Cleaning SystemsMG Cleaning was awesome and we cannot speak more highly of Matt. This should be your only go-to for gutter/exterior home cleaning in the Denver area.
Dan's Window Cleaning Lafayette, …Dan’s Window Cleaning did an outstanding job washing the windows at our commercial building today! I couldn’t believe what a difference clean windows made—they look fantastic. Josh did a great job. He was friendly, worked quickly and efficiently, and really paid attention to the details. We appreciate the great…
Dan's Window Cleaning Lafayette, …We have used them several they have done a great job at a reasonable price, always on time.
Dan's Window Cleaning Lafayette, …Colby and Brandon did a great job on our windows. We definitely will be having Dan's Window Cleaning as our go to from now on.
Dan's Window Cleaning Lafayette, …Dan"s did a great job on my windows. We have a wide variety of styles, upper, lower, they open or don't, didn't matter. This is the 2nd time we've had our windows cleaned by Dan"s. Highly recommend.
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of roof cleaning).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Super Cleaning BrosLafayette, CO | A 100How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%100+58.7Reliability 26%100+26.1Value 15%100+15.2Experts Score= 100Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | $374 |
| 2 |  SafetyPlus Roofing LafayetteLafayette, CO | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%99+68.5Reliability 31%98+30.2Experts Score= 99Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––A– | 5.00 | — |
| 3 | Dan's Window Cleaning Lafayette, Colorado.Lafayette, CO | A 96How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty96−0.4Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.93 | — |
| 4 |  The Wash SquadLafayette, CO | A 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%96+66.5Reliability 31%98+30.2Momentum penalty81−1.9Experts Score= 95Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––A– | 4.96 | — |
| 5 | MG Cleaning SystemsLafayette, CO | A 88How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%92+50.2Reliability 24%85+20.6Value 14%100+14.1Replies to reviews 7%86+6.1Craft & service penalty94−0.6Momentum penalty75−2.5Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAABA | 4.93 | — |
| 6 |  Clean ConscienceLafayette, CO | A 86How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%88+48Reliability 24%88+21.3Value 14%89+12.6Replies to reviews 7%80+5.7Craft & service penalty82−1.8Experts Score= 86Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.77 | $200 |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Roof installation | $11k | $13k | $18k | 100% |
| Roof repair for storm & wind damage | $1.1k | $4.1k | $12k | 99% |
| Roof repair | $927 | $4.1k | $16k | 100% |
| Standard cleaning | $153 | $173 | $196 | 98% |
Roof Cleaning in Lafayette, CO at a glance
How the 6 roof cleaning we rated in Lafayette, CO compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A6100%
- Grade B00%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up583%
- 4.80–4.89★00%
- 4.60–4.79★117%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality3,62023%
- Professionalism3,85524%
- Responsiveness3,32121%
- Punctuality2,19114%
- Value2,95119%
Was the price fair?
All price verdicts left with reviews.
- Great price83640%
- Reasonable1,19857%
- Overpriced191%
- Not sure563%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.